BE505559A - - Google Patents
Info
- Publication number
- BE505559A BE505559A BE505559DA BE505559A BE 505559 A BE505559 A BE 505559A BE 505559D A BE505559D A BE 505559DA BE 505559 A BE505559 A BE 505559A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1036563T | 1950-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505559A true BE505559A (en:Method) |
Family
ID=9586487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505559D BE505559A (en:Method) | 1950-09-01 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE505559A (en:Method) |
| CH (1) | CH301273A (en:Method) |
| FR (1) | FR1036563A (en:Method) |
-
0
- BE BE505559D patent/BE505559A/xx unknown
-
1950
- 1950-09-01 FR FR1036563D patent/FR1036563A/fr not_active Expired
-
1951
- 1951-09-01 CH CH301273D patent/CH301273A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH301273A (fr) | 1954-08-31 |
| FR1036563A (fr) | 1953-09-09 |